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<?php
/**
* This file is meant to be the home for any generic & reusable functions
* that can be accessed anywhere within Jetpack.
*
* This file is loaded whether or not Jetpack is active.
*
* Please namespace with jetpack_
* Please write docblocks
*/
/**
* Disable direct access.
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Determine if this site is an Atomic site or not looking first at the 'at_options' option.
* As a fallback, check for presence of wpcomsh plugin to determine if a current site has undergone AT.
*
* @since 4.8.1
*
* @return bool
*/
function jetpack_is_atomic_site() {
$at_options = get_option( 'at_options', array() );
return ! empty( $at_options ) || defined( 'WPCOMSH__PLUGIN_FILE' );
}
/**
* Register post type for migration.
*
* @since 5.2
*/
function jetpack_register_migration_post_type() {
register_post_type( 'jetpack_migration', array(
'supports' => array(),
'taxonomies' => array(),
'hierarchical' => false,
'public' => false,
'has_archive' => false,
'can_export' => true,
) );
}
/**
* Stores migration data in the database.
*
* @since 5.2
*
* @param string $option_name
* @param bool $option_value
*
* @return int|WP_Error
*/
function jetpack_store_migration_data( $option_name, $option_value ) {
jetpack_register_migration_post_type();
$insert = array(
'post_title' => $option_name,
'post_content_filtered' => $option_value,
'post_type' => 'jetpack_migration',
'post_date' => date( 'Y-m-d H:i:s', time() ),
);
$post = get_page_by_title( $option_name, 'OBJECT', 'jetpack_migration' );
if ( null !== $post ) {
$insert['ID'] = $post->ID;
}
return wp_insert_post( $insert, true );
}
/**
* Retrieves legacy image widget data.
*
* @since 5.2
*
* @param string $option_name
*
* @return mixed|null
*/
function jetpack_get_migration_data( $option_name ) {
$post = get_page_by_title( $option_name, 'OBJECT', 'jetpack_migration' );
return null !== $post ? maybe_unserialize( $post->post_content_filtered ) : null;
}
/**
* Prints a TOS blurb used throughout the connection prompts.
*
* @since 5.3
*
* @return string
*/
function jetpack_render_tos_blurb() {
printf(
__( 'By clicking the <strong>Set up Jetpack</strong> button, you agree to our fascinating <a href="%s" target="_blank">Terms of Service</a> and to <a href="%s" target="_blank">share details</a> with WordPress.com', 'jetpack' ),
'https://wordpress.com/tos',
'https://jetpack.com/support/what-data-does-jetpack-sync'
);
}
/**
* Intervene upgrade process so Jetpack themes are downloaded with credentials.
*
* @since 5.3
*
* @param bool $preempt Whether to preempt an HTTP request's return value. Default false.
* @param array $r HTTP request arguments.
* @param string $url The request URL.
*
* @return array|bool|WP_Error
*/
function jetpack_theme_update( $preempt, $r, $url ) {
if ( false !== stripos( $url, JETPACK__WPCOM_JSON_API_HOST . '/rest/v1/themes/download' ) ) {
$file = $r['filename'];
if ( ! $file ) {
return new WP_Error( 'problem_creating_theme_file', esc_html__( 'Problem creating file for theme download', 'jetpack' ) );
}
$theme = pathinfo( parse_url( $url, PHP_URL_PATH ), PATHINFO_FILENAME );
// Remove filter to avoid endless loop since wpcom_json_api_request_as_blog uses this too.
remove_filter( 'pre_http_request', 'jetpack_theme_update' );
$result = Jetpack_Client::wpcom_json_api_request_as_blog(
"themes/download/$theme.zip", '1.1', array( 'stream' => true, 'filename' => $file )
);
if ( 200 !== wp_remote_retrieve_response_code( $result ) ) {
return new WP_Error( 'problem_fetching_theme', esc_html__( 'Problem downloading theme', 'jetpack' ) );
}
return $result;
}
return $preempt;
}
/**
* Add the filter when a upgrade is going to be downloaded.
*
* @since 5.3
*
* @param bool $reply Whether to bail without returning the package. Default false.
*
* @return bool
*/
function jetpack_upgrader_pre_download( $reply ) {
add_filter( 'pre_http_request', 'jetpack_theme_update', 10, 3 );
return $reply;
}
add_filter( 'upgrader_pre_download', 'jetpack_upgrader_pre_download' );
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